Transactions
7
Insider / WASTE MANAGEMENT INC
Hemmer Tara J.
SVP & Chief Sustainability Off at WASTE MANAGEMENT INC
- Company
- WASTE MANAGEMENT INC
- Ticker
- WM
- First filing on record
- November 26, 2025
- Latest trade on record
- May 20, 2026
- SEC filings
- EDGAR ↗
Hemmer Tara J., SVP & Chief Sustainability Off at WASTE MANAGEMENT INC, has disclosed 7 transactions in WM since November 26, 2025: 0 purchases (0 open-market buys) and 3 sales, worth about $4.6M at the reported prices. The latest was filed May 21, 2026, 1 day after the trade.
Open-market buys
0
Sales
3
Avg. disclosure lag
2.3d
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
Bought (above the line)Sold (below the line)Other transaction
In the last 12 months Hemmer Tara J. made no purchases and 3 sales worth $2.2M, plus 4 other transactions. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
Hemmer Tara J. has traded 1 stock on record; the largest by dollars is WM.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
On timeLate
0 of 5 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| A | Grant or award | 3 | 21,937 | $2.5M |
| S | Open-market sale | 2 | 5,508 | $1.3M |
| F | Shares withheld for tax | 1 | 3,685 | $834K |
| G | Gift | 1 | 693 | — |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 6 | 0 | 3 · $2.2M |
| 2025 | 1 | 0 | 0 |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| WM | Other A | May 20, 2026 | May 21, 2026 | 1d | 2,544 | — | — | Form 4 ↗ | ||
| WM | Other A | March 3, 2026 | March 5, 2026 | 2d | 8,405 | — | — | derivative | Form 4 ↗ | |
| WM | Sell S | March 2, 2026 | March 3, 2026 | 1d | 4,818 | $242 | $1.2M | 10b5-1 plan | Form 4 ↗ | |
| WM | Sell S | January 30, 2026 | February 2, 2026 | 3d | 690 | $220 | $152K | 10b5-1 plan | Form 4 ↗ | |
| WM | Sell F | January 29, 2026 | February 2, 2026 | 4d | 3,685 | $226 | $834K | 10b5-1 plan | Form 4 ↗ | |
| WM | Other A | January 29, 2026 | February 2, 2026 | 4d | 10,988 | $226 | $2.5M | 10b5-1 plan | Form 4 ↗ | |
| WM | Other G | November 25, 2025 | November 26, 2025 | 1d | 693 | — | — | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| May 21, 2026 | Form 4 | 0001225208-26-005524 | 1 | published | EDGAR ↗ |
| March 5, 2026 | Form 4 | 0001225208-26-003252 | 1 | published | EDGAR ↗ |
| March 3, 2026 | Form 4 | 0001225208-26-002931 | 1 | published | EDGAR ↗ |
| February 2, 2026 | Form 4 | 0001225208-26-001113 | 3 | published | EDGAR ↗ |
| November 26, 2025 | Form 4 | 0001225208-25-009472 | 1 | published | EDGAR ↗ |
Other insiders at WASTE MANAGEMENT INC
- Carroll John A. VP & Chief Accounting Officer 13 rows
- Reed David L. EVP & CFO 13 rows
- Smith Donald J Sr. VP - Operations 10 rows
- Carrasco Rafael SVP of Enterprise Strategy 9 rows
- Morris John J President & COO 9 rows
- Fish James C Jr Director 8 rows
- Varkey Johnson SVP-Chief Information Officer 8 rows
- Watson Michael J. Sr. VP-Chief Customer Officer 8 rows
- Stith Kimberly G. SVP - Chief HR Officer 7 rows
- DeSantis Christopher P. SVP Operations - East 6 rows
Everyone on file, with contracts and lobbying under the company's name: WASTE MANAGEMENT INC.
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Rule 10b5-1 trading plans The plan must be set up when the insider has no important non-public information.
- Options and derivatives on Form 4 Table I = shares. Table II = options and other derivatives.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 5 | 7 | November 26, 2025 | May 21, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.